free-flying object

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• Unidentified flying object — UFO redirects here. For other uses, see UFO (disambiguation). Photograph of alleged UFO, New Jersey, July 31, 1952 A term originally coined by …   Wikipedia

• Free-fall — is motion with no acceleration other than that provided by gravity. Since this definition does not specify velocity, it also applies to objects initially moving upward. Although the definition specifically excludes all other forces such as… …   Wikipedia

• Free flight (model aircraft) — The segment of model aviation known as free flight is the original form of the hobby, extending back centuries.DescriptionThe essence of free flight is that the aircraft have no need for any form of external control, for instance by radio.… …   Wikipedia

• Mexican Free-tailed Bat — Closeup of Mexican free tailed bat Conservation status …   Wikipedia

• Foreign object damage — FOD to the compressor blades of a Honeywell LTS101 turboshaft engine on a Bell 222, caused by a small bolt that passed through the protective inlet screen …   Wikipedia

• To set flying — Set Set (s[e^]t), v. t. [imp. & p. p. {Set}; p. pr. & vb. n. {Setting}.] [OE. setten, AS. setton; akin to OS. settian, OFries. setta, D. zetten, OHG. sezzen, G. setzen, Icel. setja, Sw. s[ a]tta, Dan. s?tte, Goth. satjan; causative from the root… …   The Collaborative International Dictionary of English

• To set free — Set Set (s[e^]t), v. t. [imp. & p. p. {Set}; p. pr. & vb. n. {Setting}.] [OE. setten, AS. setton; akin to OS. settian, OFries. setta, D. zetten, OHG. sezzen, G. setzen, Icel. setja, Sw. s[ a]tta, Dan. s?tte, Goth. satjan; causative from the root… …   The Collaborative International Dictionary of English

• space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …   Universalium

• Portage County UFO chase — The so called Portage County UFO Chase was an unidentified flying object encounter that began in Portage County, Ohio on the morning of April 17, 1966, when police officers Dale Spaur and Wilbur Neff observed a metallic, disc shaped object flying …   Wikipedia

• Shag Harbour UFO incident — The Shag Harbour UFO Incident was the documented impact of an unknown large object into Shag Harbour, Nova Scotia in October 1967. The crash was investigated by various Canadian government agencies, and at least one underwater search was launched …   Wikipedia

• UFO conspiracy theory — A UFO conspiracy theory is any one of many often overlapping conspiracy theories which argue that evidence of the reality of unidentified flying objects is being suppressed. Such theories often incorporate the idea that governments are in fact in …   Wikipedia